How to repair cordless drill battery pack,nissan almera car key battery jeep,car battery electrical specifications sections - And More

27.09.2015
Stynus saw the Drill Battery Charger Repair article and sent in his drill repair to Make a Cordless Drill with a Dead Battery a Corded Drill. By gutting the battery pack of the old nicad cells and installing a connector directly to the internal power connection you now have a simple way of powering the drill using an external source.
One other thing that can be done is rebuild your drill battery pack, you can often get replacement nicad cells quite inexpensively compared to the replacement battery unit from the manufacturer. I wonder if cordless drill manufacturers will take notice: half the time I find myself using a cordless tool in a place where I could have easily plugged its power supply into the mains power. I wonder how the drill feels to use balance-wise when it doesn’t have the battery weight on it.


You could use a high VA output transformer connected to mains voltage with a bridge rectifier to convert to DC, A cordless drill will withstand a much higher voltage than it’s rated, so higher the better. ElectroNick, c’mon, if the tool manufacturers made a way to use your cordless tool hooked to 120ac how would they sell you all their overpriced batteries!
IMHO this would require a bulky power source providing at least 10A – something like the one from a desktop PC. In his case he had a battery for his Bosch cordless drill die and with the cost of a replacement being so high he decided to adapt the drill into a corded drill for bench work. After 3.5 amps the laptop power supply will cut out to protect itself from burn out because the components are not rated for that high current.


It does not seem very practical but still I think I will try it next time my battery goes dead. He still has the ability to use it as a cordless drill since he still has one functional battery pack. A simple series diode protects the power supply from reverse EMF that would be caused by the motor.



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